Hi All.
I'm trying to write a script that will send me an email message when my IP
address changes on a specific NIC. On Linux, the script works. On FreeBSD, it
fails with:
Traceback (most recent call last):
File "./pyifcheck.py", line 22, in <module>
if get_ip_address('xl0') == IPADDY:
File "./pyifcheck.py", line 18, in get_ip_address
struct.pack('256s', ifname[:15]) )[20:24])
IOError: [Errno 25] Inappropriate ioctl for device
The script is below.
###################################################################
SENDMAIL = "/usr/sbin/sendmail"
IPADDY = "85.126.250.328"
#IFCONFIG = "/sbin/ifconfig
import os
import smtplib
import socket
import fcntl
import struct
def get_ip_address(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(
s.fileno(),
0x8915, # SIOCGIFADDR
struct.pack('256s', ifname[:15]) )[20:24])
#get_ip_address('xl0')
if get_ip_address('xl0') == IPADDY:
print "nevermind"
else:
p = os.popen("%s -t" % SENDMAIL, "w")
p.write("To: [EMAIL PROTECTED]")
p.write("Subject: YOUR IP ADDRESS HAS CHANGED\n")
p.write("\n") # blank line separating headers from body
p.write("Your IP addy has changed to $getipaddy\n")
p.write("some more text\n")
sts = p.close()
if sts != 0:
print "Sendmail exit status", sts
##############################################################################
Thanks for any suggestions.
--
"Outside of a dog, a book is a man's best friend. Inside of a dog, it is too
dark to read."
-- Groucho Marx
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